Liv, Maddie and the rest of the Rooney clan start their new life in California; Ruby comes home from summer camp and gets excited to have sort-of siblings but ends up in the middle of a sister fight between Liv and Maddie.
Liv thinks she landed a small role on a hit show called "Linda and Heather" but her part turns out to be much bigger; Joey experiences relationship woes.
Liv takes Ruby to a spooky dinner and runs into an old acquaintance, and Maddie comes face to face with the real-life "spider-sprayer"; Parker and Joey must convince their classmates to celebrate Halloween.
Liv's new show is in danger of being canceled because they can't find the right cast; Liv helps by searching for the perfect star; Parker plans to take Joey and his new Falcon persona down by having Joey test-drive a dangerous invention.
Liv has a sleepover to help Ruby and her co-star Priya become better friends; Joey meets a new nemesis and Parker reveals a big surprise to Maddie.
Maddie is upset that she can't be in Wisconsin for Christmas and to cheer her up, Liv plans an incredible surprise; Joey participates in a Mr. North Pole Santa Claus pageant against an old foe; Parker tries to teach Ruby the wonders of a Snow Day.
Joey is invited to perform stand-up comedy at a local restaurant; Parker is unsure if he asked a classmate to be his partner in a science competition or his date to a school dance.
Liv and her female "Sing It Louder!!" co-stars organize a woodblock derby race against the boys; Maddie and Willow take part in a challenge at their local restaurant, which has never been won by women.
An old nemesis from Wisconsin threatens Joey's popularity at school; Maddie feels the need to keep a close watch on Parker's new friend.
Joey feels awkward when Maddie and Josh rekindle their friendship; Parker and Val find themselves in a jam when they compete for a coveted finalist spot in the Mars Madness competition.
Maddie and Willow help a homeless acquaintance; Karen gets discovered by a modeling agent; Joey and Parker attempt to sneak into a movie.
Joey's idol invites him to perform stand-up at the hottest comedy club; Liv and Maddie help Parker with his science experiment.
A vocal injury threatens to ruin Liv's performance.
After Liv undergoes vocal surgery, she is unsure if she'll be able to sing again, so Karen and Maddie call in reinforcements to help; Parker and Val are surprised by their competition in the Mars Madness finals.
After exciting opportunities arise for each of the Rooney children, their summer plans are thrown into jeopardy.